blob: 2ccb84d6a68b872c011f9a786ca72f24144c9a34 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
|
.. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
.. _VIDEO_SLOWMOTION:
================
VIDEO_SLOWMOTION
================
Name
----
VIDEO_SLOWMOTION
.. attention:: This ioctl is deprecated.
Synopsis
--------
.. c:function:: int ioctl(fd, VIDEO_SLOWMOTION, int nFrames)
:name: VIDEO_SLOWMOTION
Arguments
---------
.. flat-table::
:header-rows: 0
:stub-columns: 0
- .. row 1
- int fd
- File descriptor returned by a previous call to open().
- .. row 2
- int request
- Equals VIDEO_SLOWMOTION for this command.
- .. row 3
- int nFrames
- The number of times to repeat each frame.
Description
-----------
This ioctl call asks the video device to repeat decoding frames N number
of times. This call can only be used if VIDEO_SOURCE_MEMORY is
selected.
Return Value
------------
On success 0 is returned, on error -1 and the ``errno`` variable is set
appropriately. The generic error codes are described at the
:ref:`Generic Error Codes <gen-errors>` chapter.
.. flat-table::
:header-rows: 0
:stub-columns: 0
- .. row 1
- ``EPERM``
- Mode VIDEO_SOURCE_MEMORY not selected.
|
